#include <iostream>
#include <iomanip>
#include <fstream>
#include <sstream>
#include <cstdlib>
#include <ctime>
#include <algorithm>
#include <numeric>
#include <vector>
#include <iterator>
#include <functional>
#include <boost/bind.hpp>
#include <boost/timer.hpp>
#include <boost/shared_ptr.hpp>

using namespace std;

int main(int argc, char **argv)
{
	stringstream ss;
	ss<<argv[1];
	int i;
	if( !(ss>>i) )
		cout<<"sstream error"<<endl;
	else 
		cout<<i<<endl;
	
	return 0;
}
